Querying Distributor Instances

Function

This API is used to query instances that can be configured as distributors of the current instance.

Before calling this API, learn how to authenticate it.
Before calling this API, learn about request header parameters.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
rds:instance:update	write	-	-	rds:instance:modify	-

URI

URI format
GET /v3/{project_id}/instances/{instance_id}/replication/distributors?offset={offset}&limit={limit}

Parameter description

**Table 1** Parameters
Parameter	Mandatory	Description
project_id	Yes	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints The value cannot be empty. Range N/A Default Value N/A
instance_id	Yes	Definition Instance ID. Constraints The value cannot be empty. Range N/A Default Value N/A
offset	No	Definition Index offset. The query starts from the next piece of data indexed by this parameter. Constraints N/A Range The value must be a non-negative number. Default Value 0: The query starts from the first data record.
limit	No	Definition Number of records returned by a query. Constraints N/A Range 1–100 Default Value 10

Request

Request parameters
None
URI example
GET https://rds.ap-southeast-1.myhuaweicloud.com/v3/0483b6b16e954cb88930a360d2c4e663/instances/72ee4cc4607347049df9ad50f615bbd8in04/replication/distributors?offset=0&limit=10

Response

Normal response

**Table 2** Parameters
Parameter	Type	Description
instances	Array of objects	Definition List of instances. For details, see Table 3.
total_count	Integer	Definition Total number of instances. Constraints N/A Range N/A Default Value N/A

**Table 3** instances element structure description
Parameter	Type	Description
instance_id	String	Definition Instance ID. Constraints N/A Range N/A Default Value N/A
instance_name	String	Definition Instance name. Constraints N/A Range N/A Default Value N/A
data_vip	String	Definition Floating IP address. Constraints N/A Range N/A Default Value N/A

Example normal response

{
    "instances": [
        {
            "instance_id": "5a0269d7b18442888e16c31341114312in04",
            "instance_name": "rds-5898",
            "data_vip": "192.168.0.140"
        },
        {
            "instance_id": "e76b3f4020464f92a9824a78e2183f62in04",
            "instance_name": "rds-6c62",
            "data_vip": "192.168.0.216"
        }
    ],
    "total_count": 2
}